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US3109855A
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Tetrakis-[pentafluorophenyl]-silane and method of making the same
Assignee: Individual
•
Filing: 1961-06-26
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Granted: 1963-11-05
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Expires: 1981-06-26
Abstract
No abstract record available.
Inventors
- 👤 Walter J Pummer
- 👤 Leo A Wall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:47
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/50; C07F9/5022; C07C; C07C17/00; C07C17/093; C07F7/00; C07F7/02; C07F7/08; C07F7/0803; C07F7/081
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
1 words
TETRAKIS-(PENTAFLUOROPHENYL)-SILANE.
Claim 2
Dependent Claim
1 words
TETRAKIS-(PENTAFLUOROPHENYL)-SILANE.
References Cited (Backward Citations)
FR1205608A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |